Question

find the value of following determinant
|-1 7|
|2 4|​

Answer 1

Answer:

18

Step-by-step explanation:

−1

2

7

4

∣

∣

∣

∣

∣

∣

=−1(4)−7(2)=−4−14=−18

Answer 2

Answer:

|-1 7 |

|2 4 |

=−1∗4−7∗2=−18

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